Use the Port Aurora table. What is the sex ratio?

Read the Lakeview County table. What sex ratio does it show?

Use the Factory City table to calculate the sex ratio.

The Hill Province table gives the male and female populations. What is the sex ratio?

Use the Harbor State table. What sex ratio should be reported?

For Copper Basin, calculate the sex ratio from the table.

Use Riverland's age table. What is the total dependency ratio?

Read Montara's age table. What total dependency ratio does it show?

Use Eastvale's cohort table to find the total dependency ratio.

The Norchester table lists broad age groups. What is its total dependency ratio?

Using Oldport's age table, calculate the total dependency ratio.

Use Westhaven's age table. What is the total dependency ratio?

Read Meridian's age table. What total dependency ratio should be reported?

A Gulf state has far more men than women in ages 25-44, balanced child cohorts, and rapid population growth without a birth surge. What best explains this pattern?

A country reports far more boys than girls in the youngest cohorts, while adult migration is low. What demographic history most directly fits that imbalance?

A retirement county has many more women than men above age 75, while younger adult cohorts are balanced. What is the most likely reason?

A mining frontier has 180 men per 100 women in ages 20-39 but few children or elderly residents. What process best explains the sex ratio?

A country has a sharp shortage of men in cohorts that were military age during a major war, while postwar cohorts are balanced. What history fits the pattern?

An island shows low numbers of men per 100 women in ages 25-44, high remittance receipts, and balanced child cohorts. What is the best explanation?

Two countries have the same total dependency ratio, but Country A's dependents are mostly under 15. What spending pressure is most likely for Country A?

Country B has the same total dependency ratio as Country A, but most of B's dependents are over 64. What cost is B most likely to face?

A youthful state has high child dependency and low old-age dependency. If fertility fell to replacement level now, what would its population most likely do for decades?

An aging state has few children and many residents over 64. What labor-market pressure follows from that composition?

Two states have equal total dependency ratios. In one, dependents are mainly children. What future opportunity can appear if jobs expand as they age?

A country funds pensions from current workers' payroll taxes, and most dependents are over 64. What fiscal strain is most likely?

Use Borland's cohort table. Records show the small group was also small at age 5. What event best explains the anomaly?

A country's pyramid shows unusually large 70-79 cohorts, while the 60-69 and 80-89 cohorts are much smaller. Little migration has occurred. What best explains the swollen cohorts?

A country's pyramid shows a deep notch in the male 20-24 cohort, but the female 20-24 cohort is normal size. A civil war ended five years ago. What best explains the notch?

A war cut births sharply for several years. About 25 years later, a second narrow band appears near the base of the pyramid. What best explains it?

A city has unusually large 20-34 cohorts, while children and older adults are few. Birth records show those cohorts were normal size when born. What explains the swelling?